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hw/misc: use macros to define hw-strap1 register on the AST2400 Aspeed SoC

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This gives some explanation behind the magic number 0x120CE416.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1473438177-26079-8-git-send-email-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Cédric Le Goater 2016-09-22 18:13:05 +01:00 • committed by Peter Maydell
parent c3ba99f723
commit 8da33ef757
2 changed files with 132 additions and 1 deletions
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15
hw/arm/aspeed.c
View file

@ -40,8 +40,21 @@ enum {
PALMETTO_BMC,
};
#define PALMETTO_BMC_HW_STRAP1 ( \
SCU_AST2400_HW_STRAP_DRAM_SIZE(DRAM_SIZE_256MB) | \
SCU_AST2400_HW_STRAP_DRAM_CONFIG(2 /* DDR3 with CL=6, CWL=5 */) | \
SCU_AST2400_HW_STRAP_ACPI_DIS | \
SCU_AST2400_HW_STRAP_SET_CLK_SOURCE(AST2400_CLK_48M_IN) | \
SCU_HW_STRAP_VGA_CLASS_CODE | \
SCU_HW_STRAP_LPC_RESET_PIN | \
SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_M_S_EN) | \
SCU_AST2400_HW_STRAP_SET_CPU_AHB_RATIO(AST2400_CPU_AHB_RATIO_2_1) | \
SCU_HW_STRAP_SPI_WIDTH | \
SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \
SCU_AST2400_HW_STRAP_BOOT_MODE(AST2400_SPI_BOOT))
static const AspeedBoardConfig aspeed_boards[] = {
[PALMETTO_BMC] = { "ast2400-a0", 0x120CE416 },
[PALMETTO_BMC] = { "ast2400-a0", PALMETTO_BMC_HW_STRAP1 },
};
static void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,